regression and clustering cluster() abs()

[sabrina mines]

I saw in a regression
reg var1 var2, cluster(Z) abs(t)
does it mean that we cluster two times with variable Z and t?
thanks

[Carlo Lazzaro]

Sabrina:
no: see -areg- and the community-contributed module -reghdfe- for more details.
In addition, please post queries like this one on the General forum, as this one is for practising purposes only (as per FAQ). Thanks.